The vertex angle of an isosceles triangle measures 40 degrees. what is the measure of a base angle?

180 is the sum of the 3 angles-40=140/2 cuz isosceles are equal =70

Answer 70 degrees

So don't take my word i'm not exactly a mathematical person but i would assume a. because while selling the soap every month you increase in sells so you would by 11 percent. the you would get the factor 0.89 which if i had to guess would be the monthly profit over 11 probably wrong tho

Apples are more expensive by 11/3